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    • Rare case of Cardiac...

    Rare case of Cardiac Metastasis of Malignant Melanoma

    Written by Dr. Kamal Kant Kohli Kohli Published On 2019-03-03T18:00:00+05:30  |  Updated On 3 March 2019 6:00 PM IST
    Rare case of Cardiac Metastasis of Malignant Melanoma

    Dr Houssein Safa, M.D at University of Texas M.D. Anderson Cancer Center, Houston, TX and colleagues have reported a rare case of Cardiac Metastases in Melanoma. The case has appeared in the New England Journal of Medicine.


    The heart is regularly involved in metastatic neoplasms with cardiac metastases being found in up to 20 % of autopsies. Malignant melanoma is responsible for 4.4 % of these cardiac metastases; other causes are lymphoma, sarcoma and leukaemia. Cardiac metastasis is a late manifestation of disseminated disease and can cause dysrhythmia, myocardial dysfunction, pericardial effusion, heart failure or right ventricular obstruction.


    According to history, a 61-year-old woman reported to the oncology clinic for evaluation of two cardiac masses found on annual surveillance with 18F-fluorodeoxyglucose–positron-emission tomography (FDG-PET) (Panel A). She was asymptomatic. Ten years earlier, biopsy of the nail bed of her left great toe revealed melanoma, which was surgically excised. She had local recurrence 7 years later, at which time she underwent amputation of the toe and received adjuvant treatment with ipilimumab.




    Courtesy NEJM

    The current FDG-PET surveillance revealed FDG-avid masses within the left ventricle (Panel A, yellow arrow) and near the interventricular septum (Panel A, white arrow). No other FDG-avid sites were observed. Transthoracic echocardiography and computed tomography confirmed the presence of these two intramural lesions. An endovascular cardiac-biopsy specimen revealed melanoma metastatic to cardiac muscle, with tumour cells that were positive for a panel of melanocytic markers, including SOX10 (Panel B). Metastases to the heart from melanoma are rare, and cardiac involvement with no other sites of metastatic disease is rarer still. The patient started treatment with pembrolizumab, and follow-up imaging showed complete resolution of the cardiac metastases, with no new sites of disease. At follow-up 15 months after diagnosis, the patient continued to take pembrolizumab, with no recurrence of metastatic disease.


    For further reference log on to : DOI: 10.1056/NEJMicm181069
    Heartheart failuremalignant melanomamelanomaNEJMNeoplasm metastasisNew England Journal of Medicinepembrolizumabtumour cells

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    Dr. Kamal Kant Kohli Kohli
    Dr. Kamal Kant Kohli Kohli
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